US Bridges

LA0127 over Castor Relief

Fair

Caldwell Parish, Louisiana · 3.5 MI North of LA 125 · Structure no. 581101270401781

Built
1972
53 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
77 ft
4 main spans
Daily traffic
314
2021 count
Owner
State
State Highway Agency

About this bridge

LA0127 over Castor Relief is a concrete slab carrying LA0127 over Castor Relief in Caldwell Parish, Louisiana. It was built in 1972, so it is 53 years old, older than the Louisiana average of 43 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 314 vehicles a day, roughly 15% of them trucks, projected to reach 345 by 2041. The structure is 77 ft (23.5 m) long and 31 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesLA0127
CrossesCastor Relief
Location3.5 MI North of LA 125
RouteState Highway 127
Coordinates31.93865, -92.2694
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span19 ft (5.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2021)
Projected traffic345 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LA0127 over Castor Relief built?

It was built in 1972, making it 53 years old in 2025.

What condition is LA0127 over Castor Relief in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does LA0127 over Castor Relief carry?

About 314 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is LA0127 over Castor Relief?

The structure is 77 ft (23.5 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.

Who owns LA0127 over Castor Relief?

It is owned by the State Highway Agency.